<template>
  <div class="login_content">
    <div class="login-box">
      <div class="avatar_box">
        <img src="../assets/logo.png" alt>
      </div>
      <!-- 登录表单区域开始 -->
      <el-form
        label-width="0px"
        ref="numberValidateForm"
        :rules="loginFormRules"
        class="login-form"
        :model="loginForm"
      >
        <!-- 账号 -->
        <el-form-item prop="username">
          <el-input prefix-icon="el-icon-user" v-model="loginForm.username"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input prefix-icon="el-icon-lock" v-model="loginForm.password" type="password"></el-input>
        </el-form-item>
        <!-- 登录和重置按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="denglu">登录</el-button>
          <el-button type="info" @click="resetForm">重置</el-button>
        </el-form-item>
      </el-form>
      <!-- 登录表单区域结束 -->
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 表单验证规格
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  created() {},
  methods: {
    // 重置表单
    resetForm() {
      this.$refs.numberValidateForm.resetFields()
    },
    // 登录
    denglu() {
      this.$refs.numberValidateForm.validate(async val => {
        if (!val) return false
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败')
        this.$message.success('登录成功')
        // 吧token存入sessionStorage
        window.sessionStorage.setItem('token', res.data.token)
        // 编程式然后跳转home页面
        this.$router.push('/home')
        console.log(111)
      })
    }
  }
}
</script>

<style lang="less" scoped>
// 全局背景色
.login_content {
  background-color: #2b4b6b;
  height: 100%;
  // 中间登录框
  .login-box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    // logo图片
    .avatar_box {
      height: 130px;
      width: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      position: absolute;
      left: 50%;
      background-color: #fff;

      transform: translate(-50%, -50%);
      img {
        height: 100%;
        width: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
    // 登录重置按钮
    .login-form {
      position: absolute;
      bottom: 0;
      width: 100%;
      padding: 0 20px;
      box-sizing: border-box;
      .btns {
        display: flex;
        justify-content: flex-end;
      }
    }
  }
}
</style>
